$ git clone -n https://src.fedoraproject.org/rpms/rust-kvm-ioctls.git /var/lib/mock/f38-build-side-42-init-devel-1289155-30674/root/chroot_tmpdir/scmroot/rust-kvm-ioctls
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1289155-30674/root/chroot_tmpdir/scmroot/rust-kvm-ioctls'...
$ git fetch origin 5f339adb6525220c2e39033be692c1cd7f152a19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-kvm-ioctls
 * [new ref]         5f339adb6525220c2e39033be692c1cd7f152a19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f339ad Update to version 0.14.0